Base | Representation |
---|---|
bin | 111110100010… |
… | …101001101101 |
3 | 1010211221112002 |
4 | 332202221231 |
5 | 13144113421 |
6 | 1343222045 |
7 | 256232300 |
oct | 76425155 |
9 | 33757462 |
10 | 16394861 |
11 | 928877a |
12 | 55a7925 |
13 | 3520502 |
14 | 226ab37 |
15 | 168cb0b |
hex | fa2a6d |
16394861 has 24 divisors (see below), whose sum is σ = 19945440. Its totient is φ = 13427232.
The previous prime is 16394839. The next prime is 16394863. The reversal of 16394861 is 16849361.
It is not a de Polignac number, because 16394861 - 210 = 16393837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16394863) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153170 + ... + 153276.
It is an arithmetic number, because the mean of its divisors is an integer number (831060).
Almost surely, 216394861 is an apocalyptic number.
It is an amenable number.
16394861 is a deficient number, since it is larger than the sum of its proper divisors (3550579).
16394861 is a wasteful number, since it uses less digits than its factorization.
16394861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233 (or 226 counting only the distinct ones).
The product of its digits is 31104, while the sum is 38.
The square root of 16394861 is about 4049.0568037507. The cubic root of 16394861 is about 254.0402781931.
The spelling of 16394861 in words is "sixteen million, three hundred ninety-four thousand, eight hundred sixty-one".
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